To check whether a file was uploaded, you look in the ______

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To check whether a file was uploaded, you look in the _______ superglobal array.

1. $_FOLDERS
2. $_DOCUMENTS
3. $_DOCS
4. $_FILES
5. None of these

Correct Option: D

Whenever a file is uploaded via an HTML form, that file is stored in temporary memory and information about the file is passed in the $_FILES superglobal.